Can you use Timeless 20% Vitamin C + E Ferulic Acid Serum with The Ordinary Retinol 1% in Squalane?
Yes, with timing
Use them at different times of day or on different nights.
Based on 4 active-ingredient pairings, listed below.
How to use them
- AM: vitamin C serum, moisturizer, sunscreen.
- PM: Retinol, then moisturizer.
- If both feel fine after a few weeks, keep going. If not, use vitamin C fewer days.
Every active pairing checked
| Actives | Verdict | Why |
|---|---|---|
| Vitamin C + Retinol | Yes, with timing | Yes, with timing. Use vitamin C in the morning and Retinol at night. |
| Vitamin E + Retinol | Yes | Yes. Vitamin E is a good partner for Retinol. |
| Ferulic Acid + Retinol | Yes | Yes. Ferulic Acid is a good partner for Retinol. |
| Hyaluronic Acid + Retinol | Yes | Yes. Hyaluronic acid is an easy, gentle partner for retinol. |
What's in each product
Key actives
Timeless 20% Vitamin C + E Ferulic Acid Serum
Actives read from the published ingredient list (as transcribed on INCIDecoder). Formulas change; check your bottle.
Key actives
The Ordinary Retinol 1% in Squalane
Actives read from the published ingredient list (as transcribed on INCIDecoder). Formulas change; check your bottle.
Sources
- Kafi R, et al. Improvement of naturally aged skin with vitamin A (retinol). Arch Dermatol. 2007;143(5):606-612.
- Pullar JM, Carr AC, Vissers MCM. The roles of vitamin C in skin health. Nutrients. 2017;9(8):866.
- Al-Niaimi F, Chiam NYZ. Topical vitamin C and the skin: mechanisms of action and clinical applications. J Clin Aesthet Dermatol. 2017;10(7):14-17.
- Keen MA, Hassan I. Vitamin E in dermatology. Indian Dermatol Online J. 2016;7(4):311-315.
- Lin FH, et al. Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. J Invest Dermatol. 2005;125(4):826-832.
- Papakonstantinou E, Roth M, Karakiulakis G. Hyaluronic acid: a key molecule in skin aging. Dermatoendocrinol. 2012;4(3):253-258.
DM
Reviewed by the Does It Mix editorial team
Last reviewed . Product verdicts combine our ingredient-pair verdicts for each product's key actives. We are not affiliated with these brands. Methodology.